Results 31 to 40 of about 438,323 (269)
Wireless Information and Power Transfer for IoT Applications in Overlay Cognitive Radio Networks [PDF]
IEEE Internet of Things Journal, 2019 This paper proposes and investigates an overlay spectrum sharing system in conjunction with the simultaneous wireless information and power transfer to enable communications for the Internet of Things (IoT) applications.
D. Gurjar, Ha H. Nguyen, H. Tuan
semanticscholar +1 more source
DETECTION OF UNKNOWN SIGNALS IN COGNITIVE RADIO NETWORKS
Information and Telecommunication Sciences, 2018 Background. At this stage of the development of wireless technologies, there is a rapid growth in the volume of information services, as well as the speed of information transfer. To meet these needs, additional frequency bands should be used.
Valeriy Bezruk, Stanislav Ivanenko
doaj +1 more source
Optimal sensing performance for cooperative and non-cooperative cognitive radio networks
International Journal of Distributed Sensor Networks, 2017 Spectrum sensing has gained new aspects with the advent of cognitive radio and opportunistic spectrum access techniques. Spectrum sensing plays a vital role in cognitive radio networks, and its reliability determines the success of transmission.
Waqas Khalid, Heejung Yu
doaj +1 more source
Performance Metrics in Cognitive Radio Networks
مجلة المختار للعلوم, 2021 In Cognitive Radio Networks (CRN), the main aim is to allow the secondary users (SUs) to identify the empty bands and use them to transmit or receive data opportunistically.
Mahmoud Ali Ammar
doaj +1 more source
Spectrum sharing and cognitive radio [PDF]
, 2009 Spectrum sharing has been the subject of a 3 year research programme organised by the UK's Virtual Centre of Excellence in Mobile and Personal Communications.
Beach, MA +5 more
core +2 more sources
Spectrum Coordination in Energy Efficient Cognitive Radio Networks [PDF]
, 2014 Device coordination in open spectrum systems is a challenging problem, particularly since users experience varying spectrum availability over time and location.
Habachi, Oussama +2 more
core +5 more sources
Social-aware routing for cognitive radio–based vehicular ad hoc networks
International Journal of Distributed Sensor Networks, 2019 Cognitive radio–based vehicular ad hoc networks can solve the problem of limited spectrum resource and growing vehicular communication service demands in intelligent transportation systems, and thus, it receives much concern recently.
Jing Wang +3 more
doaj +1 more source
Service-Oriented Radio Architecture: A Novel M2M Network Architecture for Cognitive Radio Systems
International Journal of Distributed Sensor Networks, 2012 In future cognitive radio networks, a number of spectrum sensors can be distributedly deployed to monitor the surrounding wireless environment, where the machine-to-machine (M2M) technology is considered to provide the interactions among sensors ...
Xu Dong +4 more
doaj +1 more source
Wireless Broadband Opportunities through TVWS for Networking in Rural areas of Africa [PDF]
EAI Endorsed Transactions on Industrial Networks and Intelligent Systems, 2015 In this paper, we propose a new approach based on Cognitive Radio technology to address the challenges for ensuring connectivity in remote areas of Africa.
Dramane Ouattara +3 more
doaj +3 more sources
Egyptian Informatics Journal, 2022 Rapid spectrum usage in wireless networks may reduce energy efficiency, requiring cognitive radio networks to be more efficient than conventional ones.
Kaleem Arshid +7 more
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